| Vendor | Spec | Unit | Price | Currency | Date |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 790.23 | USD | 20251106 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 789.83 | USD | 20251105 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 846.25 | USD | 20251105 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 790.01 | USD | 20251104 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 846.44 | USD | 20251104 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 790.21 | USD | 20251103 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 846.66 | USD | 20251103 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 790.07 | USD | 20251102 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 790.07 | USD | 20251101 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 790.07 | USD | 20251031 |